diff --git a/.gitignore b/.gitignore
index 5e7df01..cf284f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ src/devicetree.egg-info/
 build/
 devicetree.egg-info/
 __pycache__/
+.tox/
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..59d9304
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,11 @@
+[tox]
+envlist=py3
+
+[testenv]
+deps =
+    setuptools-scm
+    pytest
+setenv =
+    TOXTEMPDIR={envtmpdir}
+commands =
+  python -m pytest {posargs:tests}